Flight OddsAS531 PDX → LAS
Alaska Airlines · Portland, OR to Las Vegas, NV · 223 flights observed, 2025-10-26 to 2026-06-30 · 763 mi
On-time arrival
84%
Median delay
-7 min
90th percentile
+26 min
Cancellation rate
1%
How often is AS531 on time?
Across 223 flights on PDX → LAS from 2025-10-26 to 2026-06-30, AS531 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +26 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 185 | 84% |
| 16-30 min | 15 | 7% |
| 31-60 min | 11 | 5% |
| 61-120 min | 5 | 2% |
| 2+ hrs | 4 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 100% | -17 min |
| 2025-11 | 29 | 79% | +2 min |
| 2025-12 | 30 | 77% | +10 min |
| 2026-01 | 30 | 83% | +7 min |
| 2026-02 | 28 | 86% | 0 min |
| 2026-03 | 28 | 96% | -9 min |
| 2026-04 | 21 | 86% | -3 min |
| 2026-05 | 18 | 83% | -6 min |
| 2026-06 | 30 | 80% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 34 | 85% |
| Tue | 33 | 94% |
| Wed | 32 | 75% |
| Thu | 33 | 82% |
| Fri | 30 | 87% |
| Sat | 25 | 88% |
| Sun | 33 | 79% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…